11081859 has 4 divisors (see below), whose sum is σ = 14775816. Its totient is φ = 7387904.

The previous prime is 11081843. The next prime is 11081879. The reversal of 11081859 is 95818011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11081859 - 2⁴ = 11081843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11081879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1846974 + ... + 1846979.

It is an arithmetic number, because the mean of its divisors is an integer number (3693954).

Almost surely, 2^11081859 is an apocalyptic number.

11081859 is a deficient number, since it is larger than the sum of its proper divisors (3693957).

11081859 is an equidigital number, since it uses as much as digits as its factorization.

11081859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3693956.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 11081859 is about 3328.9426249186. The cubic root of 11081859 is about 222.9483213246.

The spelling of 11081859 in words is "eleven million, eighty-one thousand, eight hundred fifty-nine".